|Adult Swim Premiere||May 29, 2010|
|Original Network|| Nippon TV|
The anime was licensed in North America by Viz Media in 2009. The English dub of Kekkaishi premiered on Adult Swim from May 29, 2010 to May 28, 2011, with reruns continuing through May 19, 2012. The following week, Toonami replaced Adult Swim Action on Saturdays and while several anime series carried over, Kekkaishi did not.
Yoshimori Sumimura, a 14-year-old junior high school boy, is a Kekkaishi ("Barrier Master"), an exterminator of monsters. He is vying with Tokine Yumikura to be the heir to the Sumimura clan. Tokine is older than he, and she is his childhood friend as well as his rival. As Kekkaishi, Sumimura and Tokine guard the land against supernatural creatures.